B - Operations – Transporting – 60 – R
Patent
B - Operations, Transporting
60
R
B60R 21/20 (2006.01) B29C 59/00 (2006.01)
Patent
CA 2130374
ABSTRACT OF THE DISCLOSURE A pretreatment for a decorative leather covering layer overlying an air bag deployment opening in an automotive trim piece, the pretreatment results in an effective preweakening of the leather to be readily severed by the forced opening of an underlying hinged door panel. The pretreatment uses a hardening agent applied to the inside of the leather coveringlayer along a strip area extending in a pattern to match the unhinged sides of the door panel. The hardening agent saturates the leather in the strip area to 50-75% of the skin thickness. The leather covering layer has a notch groove formed therein extending along the middle of the strip area in the door pattern, the hardening rendering the leather notch sensitive so as to be effectively preweakened.
Macrae & Co.
Tip Engineering Group Inc.
LandOfFree
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